Best Plumbers Companies in Longmont, Colorado

Mountain Valley Plumbing offers a full range of plumbing, heating, and cooling services, including drain cleaning, water heater repair, furnace maintenance, AC installation, and boiler work. Their flat‑rate pricing, background‑checked technicians, and same‑day drain clearing promotion are highlighted. Over 800 Google reviews give a 4.9‑star rating for customers in Colorado.

Easy Line Works offers 24/7 emergency plumbing with a reported 45‑minute average response, a 4.9/5 verified rating, and state licensing plus full insurance. Services include sewer‑camera inspections, non‑invasive leak detection, water‑heater installation, and new‑construction plumbing. Current promotions feature $75 off first jobs, a free scan, and a 10% veteran/senior discount.

Planet Plumbing & Drain offers residential, commercial, and industrial plumbing, drain, sewer, water‑heater and water‑line services across Boulder, Broomfield, Weld and Denver metros. The company holds a master plumber license, an A+ BBB rating, free estimates, no overtime fees, same‑day appointments, and a strong record of positive customer reviews overall.

Welzig Heating, Air, Plumbing & Electric delivers comprehensive HVAC, plumbing, and electrical solutions for Longmont homeowners. Services include furnace, AC, heat pump, duct work, water heater, drain cleaning, generator, and EV charger installation. Certified, insured technicians provide 24/7 emergency response, financing options, and maintenance plans. Reliable service and prompt support.

Bliss Water Heater & Boiler Repair provides residential water heater and boiler repair in Longmont and Front Range areas. With nearly three decades of experience, the licensed team handles most makes and models, offering diagnostics, maintenance, installs, and emergency service. Owner Paul leads systematic troubleshooting and backs work with warranties.

Streamline Plumbing, LLC boasts a 4.9 rating from 106 reviews and offers licensed, insured plumbers with over 30 years of combined experience. Services include drain cleaning, water‑heater and boiler installation, backflow testing, gas‑pipe work, in‑floor heating, snow‑melt systems, and same‑day repairs. Transparent pricing, online booking, and financing are available today.

Mayer Plumbing provides licensed, insured plumbing services across Longmont and nearby Colorado communities. Offerings include 24/7 emergency response, drain cleaning, leak detection, water‑heater repair and tankless installation, plus kitchen and bathroom plumbing. Customers note prompt, transparent pricing and consistent five‑star satisfaction for residential and small commercial projects throughout the region.

U.S. Plumbing and Mechanical Services LLC brings over 25 years of residential and commercial expertise to Northern Colorado, offering licensed master plumbing, certified project management, and health‑facility specialists. Services span plumbing, mechanical, FDA‑cGMP compliant design, and consulting, emphasizing reliable craftsmanship and strong customer satisfaction throughout the region with prompt response.

Quality Plumbers Longmont is a small plumbing, heating, and wholesale hardware firm with 1‑10 staff members. Owner Paul Farmer leads the business. The company operates under NAICS 4237 and has not raised external funding. Its online presence includes a dedicated website and verified email listings for lead generation services platform.

Red Star Plumbing, a family‑owned business operating since 2005, offers residential and commercial plumbing, heating, and cooling services across Boulder County. Highlights include BBB Gold Star and A+ ratings, Energy Star green certification, 24‑hour emergency response, warranty coverage, and a no‑commission, in‑house technician model that drives a 98 % referral rate.

Kodiak Plumbing Solutions provides residential and commercial reliable plumbing services across Longmont, Erie, and Boulder. Offerings include affordable emergency repairs, drain cleaning, leak detection, water‑heater installation (tankless, tank, hybrid), boiler setup, sump‑pump work, and remodel plumbing. The team cites over 75 years combined experience and a full two‑year labor warranty.

Arise Plumbing provides residential and commercial plumbing with certified technicians, offering repairs, replacements, maintenance, and emergency service. The company highlights free estimates and a 5‑star rating from 43 Google reviews. Clients note timely arrivals, clear communication, honest pricing, and workmanship from master plumber Dakota and manager Courtney, ensuring team quality.